How to play a video transparent background with gstreamer 1.20.3

hi Expert,
I’m trying to play a video (.webm) with transparent background but it always become black background.
I’m trying on ubuntu 22.04 and gstreamer 1.20.3 on Jetson orin nx with Jetpack 6.2.x
command is gst-launch-1.0 uridecodebin uri=file:///home/nvidia/Videos/test.webm ! decodebin ! nvvidconv ! video/x-raw ! gtksink name=gtksink ignore-alpha=0
image

Hi,
Please try the gst-launch-1.0 command and see if the file can be played:

$ DISPLAY=:0 // or 1
$ gst-launch-1.0 filesrc location=test.webm ! matroskademux ! h264parse ! nvv4l2decoder ! nvvidconv ! video/x-raw ! xvimagesink
1 Like

Thanks @DaneLLL ,
Your suggest is work, but I want transparent background of video , I think nvvidconv is not support convert alpha channel. you can see at 1 is transparent support, but 2 is black in image below

Hi,
Transparent background is not support so it is possible it is not shown as expected on Ori NX. Please try with common video files.

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